1# 2# For a description of the syntax of this configuration file, 3# see Documentation/kbuild/kconfig-language.txt. 4# 5config ALPHA 6 bool 7 default y 8 help 9 The Alpha is a 64-bit general-purpose processor designed and 10 marketed by the Digital Equipment Corporation of blessed memory, 11 now Hewlett-Packard. The Alpha Linux project has a home page at 12 <http://www.alphalinux.org/>. 13 14config 64BIT 15 def_bool y 16 17config MMU 18 bool 19 default y 20 21config RWSEM_GENERIC_SPINLOCK 22 bool 23 24config RWSEM_XCHGADD_ALGORITHM 25 bool 26 default y 27 28config GENERIC_FIND_NEXT_BIT 29 bool 30 default y 31 32config GENERIC_CALIBRATE_DELAY 33 bool 34 default y 35 36config GENERIC_ISA_DMA 37 bool 38 default y 39 40config GENERIC_IOMAP 41 bool 42 default n 43 44config GENERIC_HARDIRQS 45 bool 46 default y 47 48config GENERIC_IRQ_PROBE 49 bool 50 default y 51 52config AUTO_IRQ_AFFINITY 53 bool 54 depends on SMP 55 default y 56 57source "init/Kconfig" 58 59 60menu "System setup" 61 62choice 63 prompt "Alpha system type" 64 default ALPHA_GENERIC 65 ---help--- 66 This is the system type of your hardware. A "generic" kernel will 67 run on any supported Alpha system. However, if you configure a 68 kernel for your specific system, it will be faster and smaller. 69 70 To find out what type of Alpha system you have, you may want to 71 check out the Linux/Alpha FAQ, accessible on the WWW from 72 <http://www.alphalinux.org/>. In summary: 73 74 Alcor/Alpha-XLT AS 600 75 Alpha-XL XL-233, XL-266 76 AlphaBook1 Alpha laptop 77 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400 78 Cabriolet AlphaPC64, AlphaPCI64 79 DP264 DP264 80 EB164 EB164 21164 evaluation board 81 EB64+ EB64+ 21064 evaluation board 82 EB66 EB66 21066 evaluation board 83 EB66+ EB66+ 21066 evaluation board 84 Jensen DECpc 150, DEC 2000 model 300, 85 DEC 2000 model 500 86 LX164 AlphaPC164-LX 87 Lynx AS 2100A 88 Miata Personal Workstation 433a, 433au, 500a, 89 500au, 600a, or 600au 90 Marvel AlphaServer ES47 / ES80 / GS1280 91 Mikasa AS 1000 92 Noname AXPpci33, UDB (Multia) 93 Noritake AS 1000A, AS 600A, AS 800 94 PC164 AlphaPC164 95 Rawhide AS 1200, AS 4000, AS 4100 96 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX 97 SX164 AlphaPC164-SX 98 Sable AS 2000, AS 2100 99 Shark DS 20L 100 Takara Takara 101 Titan AlphaServer ES45 / DS25 102 Wildfire AlphaServer GS 40/80/160/320 103 104 If you don't know what to do, choose "generic". 105 106config ALPHA_GENERIC 107 bool "Generic" 108 help 109 A generic kernel will run on all supported Alpha hardware. 110 111config ALPHA_ALCOR 112 bool "Alcor/Alpha-XLT" 113 help 114 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data 115 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O 116 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM 117 controller (256-bit memory bus) and a PCI interface. It also does 118 all the work required to support an external Bcache and to maintain 119 memory coherence when a PCI device DMAs into (or out of) memory. 120 121config ALPHA_XL 122 bool "Alpha-XL" 123 help 124 XL-233 and XL-266-based Alpha systems. 125 126config ALPHA_BOOK1 127 bool "AlphaBook1" 128 help 129 Dec AlphaBook1/Burns Alpha-based laptops. 130 131config ALPHA_AVANTI_CH 132 bool "Avanti" 133 134config ALPHA_CABRIOLET 135 bool "Cabriolet" 136 help 137 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now 138 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA 139 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in 140 Bcache SIMMs. Requires power supply with 3.3V output. 141 142config ALPHA_DP264 143 bool "DP264" 144 help 145 Various 21264 systems with the tsunami core logic chipset. 146 API Networks: 264DP, UP2000(+), CS20; 147 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40. 148 149config ALPHA_EB164 150 bool "EB164" 151 help 152 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has 153 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is 154 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in 155 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD, 156 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized 157 motherboard. Requires power supply with 3.3V output. 158 159config ALPHA_EB64P_CH 160 bool "EB64+" 161 162config ALPHA_EB66 163 bool "EB66" 164 help 165 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is 166 identical to EB64+. Baby PC-AT size. Runs from standard PC power 167 supply. The EB66 schematic was published as a marketing poster 168 advertising the 21066 as "the first microprocessor in the world with 169 embedded PCI". 170 171config ALPHA_EB66P 172 bool "EB66+" 173 help 174 Later variant of the EB66 board. 175 176config ALPHA_EIGER 177 bool "Eiger" 178 help 179 Apparently an obscure OEM single-board computer based on the 180 Typhoon/Tsunami chipset family. Information on it is scanty. 181 182config ALPHA_JENSEN 183 bool "Jensen" 184 help 185 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one 186 of the first-generation Alpha systems. A number of these systems 187 seem to be available on the second- hand market. The Jensen is a 188 floor-standing tower system which originally used a 150MHz 21064 It 189 used programmable logic to interface a 486 EISA I/O bridge to the 190 CPU. 191 192config ALPHA_LX164 193 bool "LX164" 194 help 195 A technical overview of this board is available at 196 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>. 197 198config ALPHA_LYNX 199 bool "Lynx" 200 help 201 AlphaServer 2100A-based systems. 202 203config ALPHA_MARVEL 204 bool "Marvel" 205 help 206 AlphaServer ES47 / ES80 / GS1280 based on EV7. 207 208config ALPHA_MIATA 209 bool "Miata" 210 help 211 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a, 212 or 600au). There is an Installation HOWTO for this hardware at 213 <http://eijk.homelinux.org/~stefan/miata.html>. 214 215config ALPHA_MIKASA 216 bool "Mikasa" 217 help 218 AlphaServer 1000-based Alpha systems. 219 220config ALPHA_NAUTILUS 221 bool "Nautilus" 222 help 223 Alpha systems based on the AMD 751 & ALI 1543C chipsets. 224 225config ALPHA_NONAME_CH 226 bool "Noname" 227 228config ALPHA_NORITAKE 229 bool "Noritake" 230 help 231 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based 232 systems. 233 234config ALPHA_PC164 235 bool "PC164" 236 237config ALPHA_P2K 238 bool "Platform2000" 239 240config ALPHA_RAWHIDE 241 bool "Rawhide" 242 help 243 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines. 244 See HOWTO at 245 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>. 246 247config ALPHA_RUFFIAN 248 bool "Ruffian" 249 help 250 Samsung APC164UX. There is a page on known problems and workarounds 251 at <http://www.alphalinux.org/faq/FAQ-11.html>. 252 253config ALPHA_RX164 254 bool "RX164" 255 256config ALPHA_SX164 257 bool "SX164" 258 259config ALPHA_SABLE 260 bool "Sable" 261 help 262 Digital AlphaServer 2000 and 2100-based systems. 263 264config ALPHA_SHARK 265 bool "Shark" 266 267config ALPHA_TAKARA 268 bool "Takara" 269 help 270 Alpha 11164-based OEM single-board computer. 271 272config ALPHA_TITAN 273 bool "Titan" 274 help 275 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset. 276 277config ALPHA_WILDFIRE 278 bool "Wildfire" 279 help 280 AlphaServer GS 40/80/160/320 SMP based on the EV67 core. 281 282endchoice 283 284# clear all implied options (don't want default values for those): 285# Most of these machines have ISA slots; not exactly sure which don't, 286# and this doesn't activate hordes of code, so do it always. 287config ISA 288 bool 289 default y 290 help 291 Find out whether you have ISA slots on your motherboard. ISA is the 292 name of a bus system, i.e. the way the CPU talks to the other stuff 293 inside your box. Other bus systems are PCI, EISA, MicroChannel 294 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 295 newer boards don't support it. If you have ISA, say Y, otherwise N. 296 297config ISA_DMA_API 298 bool 299 default y 300 301config PCI 302 bool 303 depends on !ALPHA_JENSEN 304 default y 305 help 306 Find out whether you have a PCI motherboard. PCI is the name of a 307 bus system, i.e. the way the CPU talks to the other stuff inside 308 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or 309 VESA. If you have PCI, say Y, otherwise N. 310 311 The PCI-HOWTO, available from 312 <http://www.tldp.org/docs.html#howto>, contains valuable 313 information about which PCI hardware does work under Linux and which 314 doesn't. 315 316config PCI_DOMAINS 317 bool 318 default y 319 320config ALPHA_CORE_AGP 321 bool 322 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL 323 default y 324 325config ALPHA_NONAME 326 bool 327 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH 328 default y 329 help 330 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia 331 UDB). This design was produced by Digital's Technical OEM (TOEM) 332 group. It uses the 21066 processor running at 166MHz or 233MHz. It 333 is a baby-AT size, and runs from a standard PC power supply. It has 334 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are 335 2 versions, with either PS/2 or large DIN connectors for the 336 keyboard. 337 338config ALPHA_EV4 339 bool 340 depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 341 default y if !ALPHA_LYNX 342 343config ALPHA_LCA 344 bool 345 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 346 default y 347 348config ALPHA_APECS 349 bool 350 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL 351 default y 352 353config ALPHA_EB64P 354 bool 355 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH 356 default y 357 help 358 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA, 359 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs. 360 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI 361 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style), 362 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size. 363 Runs from standard PC power supply. 364 365config ALPHA_EV5 366 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX 367 default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR 368 369config ALPHA_EV4 370 bool 371 default y if ALPHA_LYNX && !ALPHA_EV5 372 373config ALPHA_CIA 374 bool 375 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR 376 default y 377 378config ALPHA_EV56 379 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR 380 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA 381 382config ALPHA_EV56 383 prompt "EV56 CPU (speed >= 333MHz)?" 384 depends on ALPHA_NORITAKE && ALPHA_PRIMO 385 386config ALPHA_EV56 387 prompt "EV56 CPU (speed >= 400MHz)?" 388 depends on ALPHA_RAWHIDE 389 390config ALPHA_PRIMO 391 bool "EV5 CPU daughtercard (model 5/xxx)?" 392 depends on ALPHA_NORITAKE || ALPHA_MIKASA 393 help 394 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx. 395 396config ALPHA_GAMMA 397 bool "EV5 CPU(s) (model 5/xxx)?" 398 depends on ALPHA_SABLE 399 help 400 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx. 401 402config ALPHA_GAMMA 403 bool 404 depends on ALPHA_LYNX 405 default y 406 407config ALPHA_T2 408 bool 409 depends on ALPHA_SABLE || ALPHA_LYNX 410 default y 411 412config ALPHA_PYXIS 413 bool 414 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN 415 default y 416 417config ALPHA_EV6 418 bool 419 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL 420 default y 421 422config ALPHA_TSUNAMI 423 bool 424 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER 425 default y 426 427config ALPHA_EV67 428 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER 429 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 430 help 431 Is this a machine based on the EV67 core? If in doubt, select N here 432 and the machine will be treated as an EV6. 433 434config ALPHA_EV7 435 bool 436 depends on ALPHA_MARVEL 437 default y 438 439config ALPHA_MCPCIA 440 bool 441 depends on ALPHA_RAWHIDE 442 default y 443 444config ALPHA_POLARIS 445 bool 446 depends on ALPHA_RX164 447 default y 448 449config ALPHA_IRONGATE 450 bool 451 depends on ALPHA_NAUTILUS 452 default y 453 454config GENERIC_HWEIGHT 455 bool 456 default y if !ALPHA_EV67 457 458config ALPHA_AVANTI 459 bool 460 depends on ALPHA_XL || ALPHA_AVANTI_CH 461 default y 462 help 463 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based 464 Alphas. Info at 465 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>. 466 467config ALPHA_BROKEN_IRQ_MASK 468 bool 469 depends on ALPHA_GENERIC || ALPHA_PC164 470 default y 471 472config ALPHA_SRM 473 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME 474 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 475 ---help--- 476 There are two different types of booting firmware on Alphas: SRM, 477 which is command line driven, and ARC, which uses menus and arrow 478 keys. Details about the Linux/Alpha booting process are contained in 479 the Linux/Alpha FAQ, accessible on the WWW from 480 <http://www.alphalinux.org/>. 481 482 The usual way to load Linux on an Alpha machine is to use MILO 483 (a bootloader that lets you pass command line parameters to the 484 kernel just like lilo does for the x86 architecture) which can be 485 loaded either from ARC or can be installed directly as a permanent 486 firmware replacement from floppy (which requires changing a certain 487 jumper on the motherboard). If you want to do either of these, say N 488 here. If MILO doesn't work on your system (true for Jensen 489 motherboards), you can bypass it altogether and boot Linux directly 490 from an SRM console; say Y here in order to do that. Note that you 491 won't be able to boot from an IDE disk using SRM. 492 493 If unsure, say N. 494 495config EISA 496 bool 497 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE 498 default y 499 500config ARCH_MAY_HAVE_PC_FDC 501 def_bool y 502 503config SMP 504 bool "Symmetric multi-processing support" 505 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL 506 ---help--- 507 This enables support for systems with more than one CPU. If you have 508 a system with only one CPU, like most personal computers, say N. If 509 you have a system with more than one CPU, say Y. 510 511 If you say N here, the kernel will run on single and multiprocessor 512 machines, but will use only one CPU of a multiprocessor machine. If 513 you say Y here, the kernel will run on many, but not all, 514 singleprocessor machines. On a singleprocessor machine, the kernel 515 will run faster if you say N here. 516 517 See also the <file:Documentation/smp.txt>, and the SMP-HOWTO 518 available at <http://www.tldp.org/docs.html#howto>. 519 520 If you don't know what to do here, say N. 521 522config HAVE_DEC_LOCK 523 bool 524 depends on SMP 525 default y 526 527config NR_CPUS 528 int "Maximum number of CPUs (2-64)" 529 range 2 64 530 depends on SMP 531 default "64" 532 533config ARCH_DISCONTIGMEM_ENABLE 534 bool "Discontiguous Memory Support (EXPERIMENTAL)" 535 depends on EXPERIMENTAL 536 help 537 Say Y to upport efficient handling of discontiguous physical memory, 538 for architectures which are either NUMA (Non-Uniform Memory Access) 539 or have huge holes in the physical address space for other reasons. 540 See <file:Documentation/vm/numa> for more. 541 542source "mm/Kconfig" 543 544config NUMA 545 bool "NUMA Support (EXPERIMENTAL)" 546 depends on DISCONTIGMEM && BROKEN 547 help 548 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 549 Access). This option is for configuring high-end multiprocessor 550 server machines. If in doubt, say N. 551 552config NODES_SHIFT 553 int 554 default "7" 555 depends on NEED_MULTIPLE_NODES 556 557# LARGE_VMALLOC is racy, if you *really* need it then fix it first 558config ALPHA_LARGE_VMALLOC 559 bool 560 ---help--- 561 Process creation and other aspects of virtual memory management can 562 be streamlined if we restrict the kernel to one PGD for all vmalloc 563 allocations. This equates to about 8GB. 564 565 Under normal circumstances, this is so far and above what is needed 566 as to be laughable. However, there are certain applications (such 567 as benchmark-grade in-kernel web serving) that can make use of as 568 much vmalloc space as is available. 569 570 Say N unless you know you need gobs and gobs of vmalloc space. 571 572config VERBOSE_MCHECK 573 bool "Verbose Machine Checks" 574 575config VERBOSE_MCHECK_ON 576 int "Verbose Printing Mode (0=off, 1=on, 2=all)" 577 depends on VERBOSE_MCHECK 578 default 1 579 ---help--- 580 This option allows the default printing mode to be set, and then 581 possibly overridden by a boot command argument. 582 583 For example, if one wanted the option of printing verbose 584 machine checks, but wanted the default to be as if verbose 585 machine check printing was turned off, then one would choose 586 the printing mode to be 0. Then, upon reboot, one could add 587 the boot command line "verbose_mcheck=1" to get the normal 588 verbose machine check printing, or "verbose_mcheck=2" to get 589 the maximum information available. 590 591 Take the default (1) unless you want more control or more info. 592 593source "drivers/pci/Kconfig" 594source "drivers/eisa/Kconfig" 595 596source "drivers/pcmcia/Kconfig" 597 598config SRM_ENV 599 tristate "SRM environment through procfs" 600 depends on PROC_FS 601 ---help--- 602 If you enable this option, a subdirectory inside /proc called 603 /proc/srm_environment will give you access to the all important 604 SRM environment variables (those which have a name) and also 605 to all others (by their internal number). 606 607 SRM is something like a BIOS for Alpha machines. There are some 608 other such BIOSes, like AlphaBIOS, which this driver cannot 609 support (hey, that's not SRM!). 610 611 Despite the fact that this driver doesn't work on all Alphas (but 612 only on those which have SRM as their firmware), it's save to 613 build it even if your particular machine doesn't know about SRM 614 (or if you intend to compile a generic kernel). It will simply 615 not create those subdirectory in /proc (and give you some warning, 616 of course). 617 618 This driver is also available as a module and will be called 619 srm_env then. 620 621source "fs/Kconfig.binfmt" 622 623endmenu 624 625source "net/Kconfig" 626 627source "drivers/Kconfig" 628 629source "fs/Kconfig" 630 631source "arch/alpha/oprofile/Kconfig" 632 633source "arch/alpha/Kconfig.debug" 634 635source "security/Kconfig" 636 637source "crypto/Kconfig" 638 639source "lib/Kconfig" 640 641